Ключевые слова: background, book, budget, business, care, certificate, clinic, clinician, concept, cure, destination, doctor, document, documentation, elements, foreigner, form, glasses, graphic, healing, health, healthcare, holiday, hospital, illegal, immigration, insurance, international, luggage, medical, medicine, passport, physician, plan, prescription, prevention, protection, safety, science, security, sign, stethoscope, tourism, tourist, travel, treatment, trip, vacation, vaccination, world,